Tourniquet buckle



FIG. 1 is a perspective view of a tourniquet buckle, showing my new design;

FIG. 2 is a front elevation view of the tourniquet buckle of FIG. 1;

FIG. 3 is a rear elevational view of the tourniquet buckle of FIG. 1;

FIG. 4 is a left elevational view of the tourniquet buckle of FIG. 1;

FIG. 5 is a right elevational view of the tourniquet buckle of FIG. 1;

FIG. 6 is a top plan view of the tourniquet buckle of FIG. 1; and,

FIG. 7 is a bottom plan view of the tourniquet buckle of FIG. 1.

The broken lines show the environment and portions of the buckle that form no part of the claimed design. 

CLAIM The ornamental design for a tourniquet buckle, as shown and described. 